lab4/RCS/FindString2.java,v

   1 head    1.1;
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   5         rmh3093:1.1; strict;
   6 comment @# @;
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   9 1.1
  10 date    2008.04.03.18.45.33;    author rmh3093; state Exp;
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  15 desc
  16 @initial commit
  17 @
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  20 1.1
  21 log
  22 @Initial revision
  23 @
  24 text
  25 @/*
  26  * FindString2.java
  27  *
  28  * Version:
  29  *     $Id$
  30  *
  31  * Revisions:
  32  *     $Log$
  33  */
  34
  35 import java.io.BufferedReader;
  36 import java.io.FileNotFoundException;
  37 import java.io.FileOutputStream;
  38 import java.io.FileReader;
  39 import java.io.IOException;
  40 import java.io.OutputStream;
  41 import java.io.PrintWriter;
  42
  43 /**
  44  * @@author rmh3093
  45  *
  46  */
  47 public class FindString2 {
  48
  49         /**
  50          * Seach for the occurences of string in file
  51          *
  52          * @@param args command line arguments
  53          */
  54         public static void main(String[] args) {
  55
  56                 if ((args.length < 2) || (args.length > 3)) {
  57                         System.out.println("Usage: java FindString2 search-string " +
  58                                         "infile-name [ outfile-name ]");
  59                 } else {
  60                         try {
  61                                 FileReader filereader = new FileReader(args[1]);
  62                                 BufferedReader buffer = new BufferedReader(filereader);
  63                                 PrintWriter printwriter = null;
  64                                 if (args.length < 3) {
  65                                         printwriter = new PrintWriter(System.out);
  66                                 } else {
  67                                         printwriter = new PrintWriter(args[2]);
  68                                 }
  69                                 CharSequence sequence = args[0];
  70                                 String s = buffer.readLine();
  71                                 while (s != null) {
  72                                         if (s.contains(sequence)) {
  73                                                 printwriter.println(s);
  74                                         }
  75                                         s = buffer.readLine();
  76                                 }
  77                                 buffer.close();
  78                                 filereader.close();
  79                                 printwriter.close();
  80                         } catch (FileNotFoundException e) {
  81                                 System.err.printf("%s occurred: %s\n",
  82                                                 e.getClass().getSimpleName(),e.getMessage());
  83                         } catch (IOException e) {
  84                                 System.err.printf("%s occurred: %s\n",
  85                                                 e.getClass().getSimpleName(),e.getMessage());
  86                         }
  87                 }
  88
  89         }
  90
  91 }
  92 @